The CD4 Antibody [13B8.2], Mouse IgG1 from ProSci, Inc Monoclonal antibody to CD4. This antibody recognizes Homo Sapiens, and Human antigen. The CD4 Antibody [13B8.2], Mouse IgG1 has been validated for the following applications: EIA, Immunoassay, ELISA, Flow Cytometry, Immunohistochemistry, Immunohistochemistry - frozen, and Western Blot.